Key ratings for fit
The GBX0800320552F: This is a planetary gearbox (straight teeth) with a 32:1 reduction ratio and 80 mm outer diameter. The continuous output torque is 120 N.m at 100 rpm and 30 °C, with a maximum output torque of 192 N.m under the same conditions — the continuous figure is the one to size against for sustained duty. Torsional backlash is rated at 14 arc.min maximum — typical for a commercial planetary stage at this price point; if your application needs under 10 arc.min, you'd be looking at a precision-grade unit. Efficiency is 94 %, and the noise level is 60 dB at 1 m, no-load — both reasonable for a straight-tooth planetary of this size.
Load and life data
Service life is 30,000 hours at 100 rpm and 30 °C — the gearbox is lubricated for life, so no field maintenance on the oil. The shaft output seal is rated IP54, which keeps out dust and light splash but isn't washdown-rated. Maximum axial force (Fa) is 1200 N for a 10,000-hour life at 30 °C, dropping to 900 N for the full 30,000-hour window. Radial force (Fr) at mid-span on the output shaft is 950 N for 10,000 hours, 650 N for 30,000 hours. These are the numbers to check if your load applies overhung or thrust loads. Torsional rigidity is 6.5 N.m/arcmin — useful for estimating windup under load in a servo or positioning axis.
